Conformal invariance and conserved quantities of non-conservative Lagrange systems by poin

Conformal invariance and conserved quantities of non-conservative Lagrange systems by point

transformations

Liu Chang;Mei Feng-Xiang;Guo Yong-Xin

【期刊名称】《中国物理：英文版》 【年(卷),期】2009(018)002

【摘要】This paper studies the conformal invariance by infinitesimal point transformations of non-conservative Lagrange systems. It gives the necessary and sufficient conditions of conformal invariance by the action of infinitesimal point transformations being Lie symmetric simultaneously. Then the Noether conserved quantities of conformal invariance are obtained. Finally an illustrative example is given to verify the results.

【总页数】5页(395-399) 【关键词】

【作者】Liu Chang;Mei Feng-Xiang;Guo Yong-Xin

【作者单位】Department of Applied Mechanics, Beijing Institute of Technology, Beijing 100081, China;Department of Applied Mechanics, Beijing Institute of Technology, Beijing 100081, China;College of Physics, Liaoning University, Shenyang 110036, China 【正文语种】中文 【中图分类】O4

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